Participants and therapists were, of necessity, aware of treatment allocation, but the researchers were blind to the allocations to allow unbiased collection of follow - up data. (trialsjournal.biomedcentral.com)
However, the research assistant undertaking the assessments will be blind and remain blind to treatment allocation throughout the study. (trialsjournal.biomedcentral.com)
Participants and therapists were, of necessity, aware of treatment allocation, but researchers were blind to the allocation to allow unbiased collection of follow - up data. (trialsjournal.biomedcentral.com)